Apache Pulsar End of Life (EOL), End of Support (EOS), EOSL, EOSS, and EOSM Dates
12 Apache Pulsar versions have reached End of Life (EOL) and End of Support (EOS), including Apache Pulsar 4.1 (EOL date: Mar 08, 2026) — no longer receiving security updates or patches. Apache Pulsar 4.2 reaches its End of Support date on Sep 24, 2026 — plan your upgrade path now. Apache Pulsar 4.0.9 LTS is the current supported release, with support through Oct 21, 2026.
Currently Supported Apache Pulsar Releases - Active EOS/EOSL Support (1)
| Release | Released | Active Support | Security Support | Latest | LTS |
|---|---|---|---|---|---|
| 4.0 (LTS) | (1 year and 5 months ago) | (in 6 months) | (in 1 year and 6 months) | 4.0.9 (1 month and 4 weeks ago) | LTS |
Apache Pulsar Releases Nearing End of Life - Support Ending Soon (1)
| Release | Released | Active Support | Security Support | Latest | LTS |
|---|---|---|---|---|---|
| 4.2 | (3 weeks and 4 days ago) | (in 5 months) | (in 5 months) | 4.2.0 (2 weeks and 4 days ago) | - |
Apache Pulsar End of Life (EOL) Releases - No Longer Supported (12)
| Release | Released | Active Support | Security Support | Latest | LTS |
|---|---|---|---|---|---|
| 4.1 | (7 months ago) | (1 month and 1 week ago) | (1 month and 1 week ago) | 4.1.3 (1 month and 4 weeks ago) | - |
| 3.3 | (1 year and 10 months ago) | (1 year and 4 months ago) | (1 year and 4 months ago) | 3.3.9 (6 months ago) | - |
| 3.2 | (2 years and 2 months ago) | (1 year and 8 months ago) | (1 year and 8 months ago) | 3.2.4 (1 year and 8 months ago) | - |
| 3.1 | (2 years and 8 months ago) | (2 years and 2 months ago) | (2 years and 2 months ago) | 3.1.3 (2 years and 1 month ago) | - |
| 3.0 (LTS) | (2 years and 11 months ago) | (11 months ago) | (in 2 weeks) | 3.0.16 (2 months ago) | LTS |
| 2.11 | (3 years and 3 months ago) | (2 years and 3 months ago) | (2 years and 3 months ago) | 2.11.4 (2 years and 1 month ago) | - |
| 2.10 | (4 years ago) | (3 years ago) | (3 years ago) | 2.10.6 (2 years and 1 month ago) | - |
| 2.9 | (4 years and 3 months ago) | (3 years and 3 months ago) | (3 years and 3 months ago) | 2.9.5 (2 years and 11 months ago) | - |
| 2.8 | (4 years and 10 months ago) | (3 years and 10 months ago) | (3 years and 10 months ago) | 2.8.4 (3 years and 6 months ago) | - |
| 2.7 | (5 years and 4 months ago) | (4 years and 4 months ago) | (4 years and 4 months ago) | 2.7.5 (3 years and 7 months ago) | - |
| 2.6 | (5 years and 10 months ago) | (4 years and 10 months ago) | (4 years and 10 months ago) | 2.6.4 (4 years and 10 months ago) | - |
| 2.5 | (6 years and 3 months ago) | (5 years and 3 months ago) | (5 years and 3 months ago) | 2.5.2 (5 years and 10 months ago) | - |
Apache Pulsar End of Life & Support Summary
Which Apache Pulsar Versions Are Currently Supported?
Apache Pulsar currently has 1 supported release. Apache Pulsar 4.0.9 LTS is the latest, with active support through Oct 21, 2026. Note that Apache Pulsar 4.2 support ends on Sep 24, 2026 — plan your upgrade before then.
Apache Pulsar Versions Nearing End of Life
1 Apache Pulsar release is reaching End of Life (EOL) within 6 months. Apache Pulsar 4.2 support ends on Sep 24, 2026. Upgrade to Apache Pulsar 4.0.9 LTS to stay on a supported release.
Apache Pulsar End of Life (EOL) Version History
12 Apache Pulsar releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Apache Pulsar 4.1 reached EOL on Mar 08, 2026. Apache Pulsar 4.0.9 LTS is the recommended upgrade for users still on End of Life versions.